User's Manual

Installing the iRM4451nn00-2
6-2 iRM4451nn00-2 iRRH Product Description and Installation Guide
NOTE
The grounding cable to the iRM4451nn00-2 should be 3.9 in (10 cm) longer
than other cables to the unit. This will maintain ground connection should the
cables be pulled off when the unit is extended beyond the length of the cables.
To install ground terminal lug:
1. Cut a 6 AWG (4.11 mm) stranded grounding cable the appropriate length for the
iRM4451nn00-2 installation.
2. Strip away insulation from one end to expose 3/4 in (19 mm) of bare wire.
3. Crimp the dual-lug grounding terminal (supplied) to the cable using the special-
purpose crimp tool specified in
Required tools on page 4-1as directed by tool
manufacturer instruction manual. Figure 6-1 shows an assembled cable/lug
assembly.
Figure 6-1 Grounding terminal lug assembled on grounding cable
6.2 Routing pre-assembled power/GigE optical fronthaul/grounding
cables
This procedures provides instructions for routing the pre-assembled –48 V dc power
cable, the GigE optical fronthaul cable, and the grounding cable to the
iRM4451nn00-2 mounting location before assembling components.
To route cables:
1. Route the cables from the iRM4451nn00-2 installation location to cable sources as
shown in
Figure 6-2.